| All Patents in class 81/384 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 148,259 | Mar. 03, 1874 | H.C. Stouffer | Pipe Wrenches | pipe tongs |
| 174,142 | Feb. 29, 1876 | C.B. Martin | Improvement in Nut-Crackers | nutcrackers |
| 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench | pipe wrenches |
| 217,117 | Jul. 01, 1879 | W.B. Killough | Wrench | pliers type wrenches |
| 388,607 | Aug. 28, 1888 | D.B. Whitehill | Improvement in Pipe Tongs | pipe wrenches |
| 401,513 | Apr. 16, 1889 | C. Pomeroy | Wrench | quick adjust wrenches |
| 433,786 | Aug. 05, 1890 | G.W. Hooks | Wrench | pipe and nut combination wrenches |
| 449,627 | Mar. 31, 1891 | M.H. McNair | Pipe Wrench | pipe wrenches |
| 562,101 | Jun. 16, 1896 | G.D. Stevens | Pipe Wrench | pipe wrenches |
| 567,945 | Sep. 15, 1896 | E.L. Keith | Lock Jaw Wrench | quick adjust wrenches |
| 593,042 | Nov. 02, 1897 | A.J. Birtch | Gas Pipe and Rod Tongs | pipe tongs |
| 611,499 | Sep. 27, 1898 | C.S. Metcalfe | Wrench | auxiliary levers on wrenches |
| 639,812 | Dec. 26, 1899 | T. Jensen | Improvements in Monkey-Wrenches, Tongs or Similar Tools | auxiliary levers on wrenches |
| 991,681 | May 09, 1911 | C.A. Winchenbach | Carriage wrench | axle nut wrenches |
| 1,163,532 | Dec. 07, 1915 | T. Hand | Wrench | pliers type wrenches |
